420424323320 has 16 divisors (see below), whose sum is σ = 945954727560. Its totient is φ = 168169729312.

The previous prime is 420424323317. The next prime is 420424323323. The reversal of 420424323320 is 23323424024.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (420424323317) and next prime (420424323323).

It is a super-2 number, since 2×420424323320² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420424323323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5255304002 + ... + 5255304081.

Almost surely, 2^420424323320 is an apocalyptic number.

420424323320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420424323320 is an abundant number, since it is smaller than the sum of its proper divisors (525530404240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420424323320 is a wasteful number, since it uses less digits than its factorization.

420424323320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10510608094 (or 10510608090 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 420424323320 its reverse (23323424024), we get a palindrome (443747747344).

The spelling of 420424323320 in words is "four hundred twenty billion, four hundred twenty-four million, three hundred twenty-three thousand, three hundred twenty".